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| Country | Switzerland |
|---|---|
| Broadcast area | Switzerland |
| Headquarters | Zürich, Switzerland |
| Programming | |
| Language(s) | Swiss German |
| Picture format | 576i (16:9 SDTV) 1080i (HDTV) |
| Ownership | |
| Owner | CH Media |
| History | |
| Launched | 18 October 2013 |
| Replaced | Tele 24 |
| Links | |
| Website | www |
S1 is a privately owned TV channel in German-speaking Switzerland.